Top specs and features

Design

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

2.has a detachable cable

AKG K 142 HD

AKG K240 Studio

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.

3.has an over-the-ear form

AKG K 142 HD

AKG K240 Studio

Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.

4.weight

225g

240g

Best

Sony MDR-EX150AP

3g

5.has a tangle free cable

AKG K 142 HD

AKG K240 Studio

The cable is designed to minimize tangling.

6.can be folded

AKG K 142 HD

AKG K240 Studio

Folding devices are good for transporting as they take up less space in your bag.

For example

Audio-Technica ATH-ANC900BT

Sound quality

1.highest frequency

24000Hz

25000Hz

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

Best

Sony MDR-Z1R

120000Hz

2.lowest frequency

18Hz

15Hz

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

Best

Sony MH1CBLK

1Hz

3.has sound isolation/passive noise reduction

AKG K 142 HD

AKG K240 Studio

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

For example

RHA TrueConnect

4.sound pressure level

101dB/mW

104dB/mW

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

Best

AKG K553 Pro

144dB/mW

5.impedance

55 Ohms

55 Ohms

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

Best

Flips Solo 2 Social

4 Ohms

6.has a neodymium magnet

AKG K 142 HD

AKG K240 Studio

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.

Connectivity

1.has a 3.5mm male connector

AKG K 142 HD

AKG K240 Studio

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.